Answer to Question #307162 in Electricity and Magnetism for badchick

Question

sphere A carries a positive charge 4Q and sphere B is neutral. Initially the spheres are separated by a distance r. The spheres briefly touched each other and move to the initial separation. what is the new charge on each sphere

Answer 1

Answer

Charge on each sphere

$q_1=q_2=\frac{4Q+0}{2}\\=2Q$